Navigational apparatus and instruments for automobiles, namely, global positioning systems (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; electronic and electric communications equipment for navigation, namely, GPS antennas, receivers, and sensors; gyroscopes for use in stabilization and navigational systems; inertial navigation apparatus and instruments, namely, inertial navigation receivers; navigation apparatus for vehicles, namely, on-board computers; navigation compasses and sextants; navigation computers for vehicles; equipment, apparatus and devices for storage and tracking of vehicle activity provided from a computer database or the Internet, namely, fleet tracking and vehicular locator software and hardware; navigation systems using inertia reference comprised of computers, computer software, transmitters, receivers, and network interface devices; navigation systems using satellite reference comprised of computers, computer software, satellite telephones and satellite processors; radar for use in navigation; radio transmitters for navigational use; LCD road map displays for assisting in the navigation of a vehicle; differential beacon signal devices and receivers; receivers for tracking and locating vehicles; network communication modems, aerials, GPS aerials; computers and computer software for real-time data collection and communication; parts and fittings for all the aforesaid goods